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Definition of spacewalk in US English:

spacewalk

noun

A period of physical activity engaged in by an astronaut in space outside a spacecraft.

‘Commander Usachev has spent a total of 376 days in space and performed six spacewalks during two missions to the Russian Mir space station.’

‘The device is unique in that it reduces the static charge in a self-regulating manner and allows astronauts to safely conduct spacewalks on and around the structure of the International Space Station.’

‘And now tomorrow morning, 4:44 a.m., two of the shuttle astronauts will begin the first of three spacewalks.’

‘The antenna will support Russian video transmission during Russian spacewalks, and during normal operations will support amateur radio activities.’

‘During the expedition, Voss conducted spacewalks in both U.S. and Russian space suits, and he was the first person to operate the Space Station Robotic Manipulator System.’

‘Barry is a veteran of three Space Shuttle flights and four spacewalks.’

‘During these storms, astronauts are advised to reduce exposure, particularly during spacewalks.’

‘He is expected to carry out several spacewalks to attach new segments to the Space Station's truss sections.’

‘A Russian cosmonaut and an American astronaut are on a spacewalk outside the International Space Station.’

‘As I write two astronauts are on a spacewalk, trying to fix the problem and check for any sign of further damage.’

‘In 1965 he became to first man to go on a spacewalk, and he still follows events in spaceflight from the sidelines.’

‘For the year that it will be located outside of the ISS this experiment facility will be measuring the radiation doses that would be experienced by astronauts during spacewalks.’

‘The country also aims to have an astronaut performing a spacewalk during the planned Shenzhou VII mission and eventually put men on the moon.’

‘Hadfield is currently one of nine Canadian astronauts and the first Canadian to perform a spacewalk.’

‘A riskier-than-usual spacewalk outside the international space station was cut short because of a malfunction that left one of the two crewmen with a warm, damp suit.’

‘In its second year of occupancy, astronauts and cosmonauts have conducted 16 spacewalks for maintenance and assembly of the Station.’

‘Herrington had to re-plan the installation of components on the International Space Station during a spacewalk when it did not proceed as it did during testing.’

‘During one of three planned spacewalks on the Discovery, Japanese astronaut Soichi Noguchi and his US counterpart Stephen Robinson will test repair techniques adopted after the Columbia disaster.’

‘Steve Robinson and Soichi Noguchi will make three spacewalks outside the Shuttle.’

‘That's where astronauts practice extravehicular activities, more commonly known as spacewalks.’